Jennifer Aniston and Justin Theroux to move into Bel-Air mansion they bought for a 'steal' at $21m. Home is where the heart is! Engaged couple Jennifer and Justin are putting permanent roots down as they prepare to move into a gorgeous pad in the exclusive neighbourhood of Bel-Air this weekend. The 44-year-old actress and her fiance, 41, have been overseeing extensive updates on their 8,500-square-foot estate which now features a separate guest house, swimmers' pool, a vineyard, wine cellar, and a projection room. Purchased for a 'steal' at $21m a year and a half ago, work on Jennifer and Justin's love nest is set to be finished tomorrow with a source telling E! News: 'They are supposed to move in over the weekend.' Former Friends star Jen sold her other Los Angeles home for $36m so she could start a fresh with her fiance in the gated community where their neighbours will include Nicholas Cage and Hugh Hefner. Justin proposed to Jennifer during his 41st birthday dinner at a New York restaurant last August after a year of dating. The low-key couple have remained tight lipped about when and where they'll tie the knot but sources say once the big move is finished, it's next on the agenda...